Korean Language Education Center, Sogang University
Dosochulphan Hau, 2011
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Martin, Samuel E.
Tuttle Publishing, 2008
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Choi Jeong-Sun, Kim Seong-Hee, Kim Ji-Eun, Kim Jeong-A, Kim Bo-Gyeong ; editor, Kim Seong Hee
Hau, 2012
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Sin, Eun-Gyong
Kyoyukjinheungyeonguhwe, 2010
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Kim Seon-Jeong (김선정)...[et.al]
Hyeonseong Chulpansa, 2012
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